| Newton Whiting Gilbert | |
| Term Start1: | March 4, 1905 |
| Term End1: | November 6, 1906 |
| Preceded1: | James M. Robinson |
| Succeeded1: | Clarence C. Gilhams |
| Office2: | Philippine Secretary of Public Instruction |
| Term Start2: | March 1, 1909 |
| Term End2: | December 1, 1913 |
| Appointer2: | William Cameron Forbes |
| Predecessor2: | William Morgan Shuster |
| Successor2: | Henderson S. Martin |
| Office3: | Acting Governor-General of the Philippines |
| Term Start3: | September 1, 1913 |
| Term End3: | October 6, 1913 |
| Predecessor3: | William Castle, Jr. |
| Successor3: | Joseph Grew |
| Office4: | Vice Governor-General of the Philippines |
| Term Start4: | February 14, 1910 |
| Term End4: | November 30, 1913 |
| Predecessor4: | William Cameron Forbes |
| Successor4: | Henderson S. Martin |
| Office5: | 25th Lieutenant Governor of Indiana |
| Term Start5: | January 11, 1901 |
| Term End5: | January 14, 1905 |
| Governor5: | Winfield T. Durbin |
| Predecessor5: | William S. Haggard |
| Successor5: | Hugh Thomas Miller |
| State: | Indiana |
| District: | 12th |
| Office6: | Member of the Indiana Senate |
| Term6: | 1896-1900 |
| Birth Date: | May 24, 1862 |
| Birth Place: | Worthington, Ohio, U.S. |
| Death Date: | July 5, 1939 (aged 77) |
| Death Place: | Santa Ana, California, U.S. |
| Restingplace: | Circle Hill Cemetery, Angola, Indiana |
| Party: | Republican Party |
Newton Whiting Gilbert (May 24, 1862 – July 5, 1939) was an American politician from Indiana.
He was the 25th lieutenant governor of Indiana, a member of the Indiana State Senate, a representative in the United States House of Representatives, and an acting governor-general of the Philippines from September 1, 1913, to October 6, 1913.[1] He served on the Philippine Commission, the appointed upper house of the Philippine Legislature of the American colonial Insular Government of the Philippines.